145112271 has 16 divisors (see below), whose sum is σ = 201676800. Its totient is φ = 92705760.

The previous prime is 145112263. The next prime is 145112287. The reversal of 145112271 is 172211541.

It is not a de Polignac number, because 145112271 - 2³ = 145112263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145112371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2005 + ... + 17153.

It is an arithmetic number, because the mean of its divisors is an integer number (12604800).

Almost surely, 2^145112271 is an apocalyptic number.

145112271 is a deficient number, since it is larger than the sum of its proper divisors (56564529).

145112271 is a wasteful number, since it uses less digits than its factorization.

145112271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15286.

The product of its digits is 560, while the sum is 24.

The square root of 145112271 is about 12046.2554762881. The cubic root of 145112271 is about 525.4943443525.

The spelling of 145112271 in words is "one hundred forty-five million, one hundred twelve thousand, two hundred seventy-one".